Native Elements, Sulfides, Halides, Sulfates - Faculty web pages

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$Math 361 Problem Set #5 Due 5 October 2012 - Faculty web pages$

$Math 362 Problem Set #9 â€“ Solution 27 April 2012 - Faculty web ...$

<strong>Sulfides</strong>: Majority of ore minerals Most opaque with distinctive colors and streaks Pyrite – FeS 2 ; Isometric Cubic xstals with striated faces; also pyritohedrons and octahedrons Metallic luster; conchoidal fracture; Greenish-black streak Most common and widespread sulfide mineral Occurrence: 1) Accessory mineral in igneous, metamorphic and sed rocks 2) Mississippi Valley deposits 3) Other sulfide deposits
<strong>Sulfides</strong>: Majority of ore minerals Most opaque with distinctive colors and streaks Chalcopyrite – CuFeS 2 ; Tetragonal Massive or tetragonal tetrahedron xstals Metallic luster; brass yellow to iridescent; Greenish-black streak Cu ore – most widely occurring Occurrence: 1) Chief Cu mineral at Sudbury, Ont. and high T deposits 2) Mississippi Valley deposits 3) Cu-porphyry deposits
Page 1 and 2: Native Elements - occur in elementa
Page 3 and 4: Native Elements - Non-metals Sulfur
Page 5: Sulfides: Majority of ore minerals
Page 9 and 10: Halides: Dominated by halogen ions,
Page 11: Sulfates: contain SO 4 2- Hydrous S

Native Elements, Sulfides, Halides, Sulfates - Faculty web pages

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